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(MERAF) for the Base Metals Smelting Sector - CCME

(MERAF) for the Base Metals Smelting Sector - CCME

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Figure 9: Falconbridge Kidd Zinc Plant<br />

ZINC<br />

CONCENTRATE<br />

STACK<br />

ZINC<br />

CONCENTRATE<br />

Tailgas<br />

To Atmosphere<br />

ROASTING<br />

ELECTROSTATIC<br />

PRECIPITATION<br />

ACID PLANT<br />

PRESSURE<br />

LEACHING<br />

NEUTRAL<br />

LEACHING<br />

Sulphuric Acid<br />

To Markets<br />

THICKENING<br />

JAROSITE<br />

LEACHING<br />

THICKENING<br />

Calcine<br />

THICKENING<br />

To Neutral<br />

Leaching<br />

FILTRATION<br />

OXIDATION<br />

COPPER<br />

CEMENTATION<br />

Zinc Dust<br />

Zinc Dust<br />

Residue<br />

To Impoundment<br />

Copper Residue<br />

To Copper Smelter<br />

1ST STAGE<br />

PURIFICATION<br />

2ND STAGE<br />

PURIFICATION<br />

Zinc Dust<br />

1st Stage Cake<br />

For As and Cu Recovery<br />

2nd Stage Cake<br />

For Cd Recovery<br />

ELECTROLYSIS<br />

MELTING<br />

CASTING<br />

Refined Zinc<br />

To Markets<br />

68

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